• - Rugged braided stainless steel oil delivery lines
• - Ductile iron housing
• - Vane wear inspection port
• - On truck serviceability
• - Remote mount 5 quart see through oil tank for constant oil level monitoring
• - Available in clockwise and counter-clockwise rotation
• - Two year warranty against manufacturer defect
• - Designed and built in the USA

• - Porting Size Flanged NPT: 2" (optional 1-1/2")
• - Maximum Air Flow: 210 cfm
• - Maximum Pressure: 20 psi
• - Maximum Vacuum: 27" Hg
• - Shaft Size: 1-1/4" (1/4" key)
• - Weight: 179 lbs

• - Remote mount 5 quart see through oil tank for constant oil level monitoring
• - Automatic lubrication system
• - Multiple drive options (gearbox, belt, hydraulic, and direct)
• - Two year warranty against manufacturer defect
• - Designed and built in the USA

• - Porting Size Flanged NPT: 3"
• - Maximum Air Flow: 363 cfm
• - Maximum Intermittent Pressure: 21.76 psi
• - Maximum Intermittent Vacuum: 28" Hg

• - Lifetime warranty on the housing against cracking
• - The NVE bi-rotational, four port oil pump is exclusive to our “oil management system” delivering the precise amount of oil required for any job. Easily adjustable to 5-24 ounces per hour
• - Rugged braided stainless steel oil delivery lines
• - Integral vacuum relief valve
• - Vane flush port with valve
• - Vane wear inspection port
• - Proven crash protection allowing all major components to survive a catastrophic failure
• - Remote mount 5 quart see through oil tank for constant oil level monitoring
• - Integral, easily accessible, final filter
• - Thermometer to monitor exhaust temperature
• - Multiple drive options (gearbox, belt, hydraulic, and direct)
• - Two year warranty against manufacturer defect
• - Designed and built in the USA

• - Porting Size Flanged NPT: 3"
• - Maximum Air Flow: 380 cfm
• - Maximum Intermittent Pressure: 30 psi
• - Maximum Intermittent Vacuum: 28" Hg
• - Shaft Size (0.375" Key): 1.5"
• - Dimensions: 14.93"W x 28.92"L x 23.67"H
• - Weight: 390 lbs

• - Proven crash protection allowing all major components to survive a catastrophic failure
• - Remote mount 5 quart see through oil tank for constant oil level monitoring
• - Four point automatic lubrication system
• - Liquid or fan cooled versions of each model available
• - Multiple drive options (gearbox, belt, hydraulic, and direct)
• - Integral, easily accessible, final filter
• - Vane flush port with valve
• - Vane wear inspection port
• - Thermometer to monitor exhaust temperature
• - Two year warranty against manufacturer defect
• - Designed and built in the USA

• - Porting Size Flanged NPT: 4"
• - Maximum Air Flow: 520 cfm
• - Maximum Intermittent Pressure: 20 psi
• - Maximum Intermittent Vacuum: 27" Hg
• - Shaft Size (0.375" Key): 1.75"
• - Weight: 533 lbs

• - Continuous Duty Performance at Maximum Vacuum
• - Tri-Lobe Design with Precision Machining
• - Ballast Port Manifold – Cools blower through air injection
• - Range of Airflow – Performance available to accommodate power
• - Oil-less Operation
• - 4″ Hose Barbed Adjustable Porting for Intake and Exhaust
• - Integral Final Filter with Easy Access Cleaning
• - 4-Way Pressure/Vacuum Change Over Valve
• - Designed and built in the USA

• - Air Flow @ Free Air, CFM: 4307 = 560, 7310 = 940
• - Maximum Vacuum: 4307 = 4310 = 27" Hg
• - Max. Intermittent Pressure: 4307 = 4310 = 15 PSI
• - Recommended Operating Speed, RPM: 4307 = 4310 = 4000
• - HP Required @ 27" Hg: 4307 = 36.4 , 4310 = 51.4
• - HP Required @ 10 PSI: 4307 = 28.4 , 4310 = 39.7
• - HP Required @ 15 PSI: 4307 = 40.6 , 4310 = 65.5
• - Porting Size: 4307 = 4310 = 4"
• - Shaft Size (3/8" Key): 4307 = 4310 = 1 1/2
• - Approximate Weight, lbs: 4307 = 421, 4310 = 456

• - Continuous Duty Performance at Maximum Vacuum
• - Tri-Lobe Design with Precision Machining
• - Ballast Port Manifold – Cools blower through air injection
• - Oil-less Operation
• - Recommended Operation Range 2700-3600 RPM
• - Designed and built in the USA

• - Air Flow @ Free Air, CFM: 1600
• - Maximum Vacuum: 27" Hg
• - Max. Intermittent Pressure: 10 PSI
• - Recommended Operating Speed, RPM: 3600
• - HP Required @ 27" Hg: 95.4
• - HP Required @ 10 PSI: 72.9
• - Porting Size: 6"
• - Shaft Size (1/2" Key): 1 7/8"
• - Approximate Weight, lbs: 604

• - A state of the art NVE tri-lobe high vacuum blower
• - Heavy Duty 3/8″ thick powder coated frame
• - Stainless steel cabinets
• - Easily Accessible service points
• - Factory installed flush kit
• - Innovative internal ballast silencing
• - Ballast check valve for operation under pressure
• - Available drive methods: gearbox, hydraulic and belt & pulley
• - Available mounting methods: frame mount, top of frame mount, belly mount & engine drive

• - Conveniently mounts behind the cab
• - Sound dampening design for quiet operation
• - Tri-lobe design with precision machining
• - Ballast port manifold – cools blower through air injection
• - Stainless steel acoustical panels
• - Integrated ballast silencing eliminates need for extra silencer

• - Air Flow @ Free Air, CFM: 1600
• - Maximum Vacuum: 27" Hg
• - Max. Intermittent Pressure: 10 PSI
• - Weight: 1904 lbs
• - Porting Size: 6"
• - Shaft Size (3/8" Key): 1 7/8"